Patent · US Active

Transmission control device

US8521375B2 · kind B2 · utility

0Cited by

9References

8Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Bernd Allgaier · Kreßbronn, DE
Friedrich Tenbrock · Tettnang, DE
Michael Gromus · Friedrichshafen, DE

Key dates

Filing date	Jul 23, 2009
Grant date	Aug 27, 2013
Priority date	—
Expiry date	Aug 9, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/62
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A transmission control device (7) of a transmission (3) for a drivetrain which includes, in addition to the transmission (3), a hybrid drive with an internal combustion engine (1) and an electric motor (2). The transmission control device (7) stores parameters which form the basis of the manner with which gearshifts are controlled or regulated. At least some parameters are stored in duplicate, firstly, for operating the transmission (3) under purely electric-motor power using only the electric motor (2), and secondly for operating the transmission (3) during hybrid driving using both the internal combustion engine (1) and the electric motor (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.